Subtractive multicarrier CDMA access methods and systems
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United States of America Patent
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Aug 4, 1998
Grant Date -
N/A
app pub date -
Feb 29, 1996
filing date -
Feb 29, 1996
priority date (Note) -
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Abstract
Apparatuses and methods for practicing subtractive multi-carrier CDMA techniques are disclosed. A channel is divided into a plurality of contiguous subchannels, wherein in each subchannel an amount of spreading is reduced in accordance with the number of subchannels. The channel can be divided into a Plurality of timeslots and a fraction of the total number of conversations sharing the channel can be allocated to each timeslot. A radio communications device, using such a method, can employ one timeslot for transmission and another time slot for reception.
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